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            <h1 style="display: none">Golang-环境搭建</h1>
            
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              <h1 id="安装包下载"><a href="#安装包下载" class="headerlink" title="安装包下载"></a>安装包下载</h1><p><a target="_blank" rel="noopener" href="https://dl.google.com/go/go1.14.1.linux-amd64.tar.gz">go1.14.1.linux-amd64.tar.gz</a></p>
<h1 id="解压到指定目录下"><a href="#解压到指定目录下" class="headerlink" title="解压到指定目录下"></a>解压到指定目录下</h1><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ tar -C /usr/<span class="hljs-built_in">local</span> -xzf go1.14.1.linux-amd64.tar.gz<br></code></pre></td></tr></table></figure>

<h1 id="环境变量配置"><a href="#环境变量配置" class="headerlink" title="环境变量配置"></a>环境变量配置</h1><p>环境变量设置可以选择 <code>/etc/profile</code> 或 <code>~/.bashrc</code></p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ dedit ~/.bashrc<br></code></pre></td></tr></table></figure>
<p>Go环境变量配置如下</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><code class="hljs bash"><span class="hljs-comment"># golang</span><br><span class="hljs-built_in">export</span> GOROOT=/usr/<span class="hljs-built_in">local</span>/go             <span class="hljs-comment"># GOROOT: GO的安装路径</span><br><span class="hljs-built_in">export</span> PATH=<span class="hljs-variable">$PATH</span>:<span class="hljs-variable">$GOROOT</span>/bin           <br><span class="hljs-built_in">export</span> GOPATH=~/go                      <span class="hljs-comment"># GOPATH: GO的工作路径</span><br><span class="hljs-built_in">export</span> GO111MODULE=on                   <span class="hljs-comment"># 开始 Go Modules</span><br></code></pre></td></tr></table></figure>

<h1 id="刷新环境变量"><a href="#刷新环境变量" class="headerlink" title="刷新环境变量"></a>刷新环境变量</h1><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ <span class="hljs-built_in">source</span> ~/.bashrc<br></code></pre></td></tr></table></figure>

<h1 id="测试"><a href="#测试" class="headerlink" title="测试"></a>测试</h1><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ go env<br>GO111MODULE=<span class="hljs-string">&quot;on&quot;</span><br>GOARCH=<span class="hljs-string">&quot;amd64&quot;</span><br>GOBIN=<span class="hljs-string">&quot;&quot;</span><br>GOCACHE=<span class="hljs-string">&quot;/home/xxxx/.cache/go-build&quot;</span><br>GOENV=<span class="hljs-string">&quot;/home/xxxx/.config/go/env&quot;</span><br>GOEXE=<span class="hljs-string">&quot;&quot;</span><br>GOFLAGS=<span class="hljs-string">&quot;&quot;</span><br>GOHOSTARCH=<span class="hljs-string">&quot;amd64&quot;</span><br>GOHOSTOS=<span class="hljs-string">&quot;linux&quot;</span><br>GOINSECURE=<span class="hljs-string">&quot;&quot;</span><br>GONOPROXY=<span class="hljs-string">&quot;&quot;</span><br>GONOSUMDB=<span class="hljs-string">&quot;&quot;</span><br>GOOS=<span class="hljs-string">&quot;linux&quot;</span><br>GOPATH=<span class="hljs-string">&quot;/home/xxxx/go&quot;</span><br>GOPRIVATE=<span class="hljs-string">&quot;&quot;</span><br>GOPROXY=<span class="hljs-string">&quot;https://proxy.golang.org,direct&quot;</span><br>GOROOT=<span class="hljs-string">&quot;/usr/local/go&quot;</span><br>GOSUMDB=<span class="hljs-string">&quot;sum.golang.org&quot;</span><br>GOTMPDIR=<span class="hljs-string">&quot;&quot;</span><br>GOTOOLDIR=<span class="hljs-string">&quot;/usr/local/go/pkg/tool/linux_amd64&quot;</span><br>GCCGO=<span class="hljs-string">&quot;gccgo&quot;</span><br>AR=<span class="hljs-string">&quot;ar&quot;</span><br>CC=<span class="hljs-string">&quot;gcc&quot;</span><br>CXX=<span class="hljs-string">&quot;g++&quot;</span><br>CGO_ENABLED=<span class="hljs-string">&quot;1&quot;</span><br>GOMOD=<span class="hljs-string">&quot;/dev/null&quot;</span><br>CGO_CFLAGS=<span class="hljs-string">&quot;-g -O2&quot;</span><br>CGO_CPPFLAGS=<span class="hljs-string">&quot;&quot;</span><br>CGO_CXXFLAGS=<span class="hljs-string">&quot;-g -O2&quot;</span><br>CGO_FFLAGS=<span class="hljs-string">&quot;-g -O2&quot;</span><br>CGO_LDFLAGS=<span class="hljs-string">&quot;-g -O2&quot;</span><br>PKG_CONFIG=<span class="hljs-string">&quot;pkg-config&quot;</span><br>GOGCCFLAGS=<span class="hljs-string">&quot;-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build248485667=/tmp/go-build -gno-record-gcc-switches&quot;</span><br></code></pre></td></tr></table></figure>

<h1 id="Go-工作空间"><a href="#Go-工作空间" class="headerlink" title="Go 工作空间"></a>Go 工作空间</h1><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ tree<br>.<br>├── bin             <span class="hljs-comment"># 存放编译后生成的可执行文件</span><br>├── pkg             <span class="hljs-comment"># 存放编译后生成的文件</span><br>└── src             <span class="hljs-comment"># 存放源代码</span><br></code></pre></td></tr></table></figure>

<h1 id="Hello-World"><a href="#Hello-World" class="headerlink" title="Hello World"></a>Hello World</h1><p>代码</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><code class="hljs bash">package main<br><br>import <span class="hljs-string">&quot;fmt&quot;</span><br> <br>func <span class="hljs-function"><span class="hljs-title">main</span></span>()&#123;<br>    fmt.Printf(<span class="hljs-string">&quot;hello world\n&quot;</span>)<br>&#125;<br></code></pre></td></tr></table></figure>
<p>执行</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><code class="hljs bash">$ go run hello.go<br>hello world<br></code></pre></td></tr></table></figure>

<p>至此，<code>Go</code> 开发环境搭建完成</p>

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